package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.*;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.entity.Result;
import com.itheima.pojo.CheckGroup;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.CheckItemService;
import com.itheima.service.OrderSettingListService;
import com.itheima.utils.DateUtils;
import org.apache.zookeeper.Op;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service(interfaceClass = OrderSettingListService.class)
@Transactional
public class OrderSettingListServiceImpl implements OrderSettingListService {
    @Autowired
    private OrderSettingListDao orderSettingListDao;
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    @Autowired
    private CheckGroupDao checkGroupDao;
    @Autowired
    private CheckItemDao checkItemDao;
    @Autowired
    private SetmealDao setmealDao;
    @Override
    //分页查询
    public PageResult pageQuery(QueryPageBean queryPageBean) {
        Integer currentPage = queryPageBean.getCurrentPage();
        Integer pageSize = queryPageBean.getPageSize();
        String queryString = queryPageBean.getQueryString();
        PageHelper.startPage(currentPage, pageSize);
        Page<Map<String, Object>> page = orderSettingListDao.findByCondition(queryString);
        return new PageResult(page.getTotal(), page.getResult());
    }

    /**
     * 预约添加
     *
     * @param map
     * @param setmealId
     */
    @Override
    public Result add(Map map, Integer setmealId) throws Exception {
        map.put("orderType", Order.ORDERTYPE_WEIXIN);//设置预约类型，分为微信预约、电话预约
        //1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        String orderDate = (String) map.get("orderDate");//预约日期
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(DateUtils.parseString2Date(orderDate));
        if (orderSetting == null) {
            //指定日期没有进行预约设置，无法完成体检预约
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }

        //2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations();//已预约人数
        if (reservations >= number) {
            //已经约满，无法预约
            return new Result(false, MessageConstant.ORDER_FULL);
        }

        //3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        String telephone = (String) map.get("phoneNumber");//获取用户页面输入的手机号
        Member member = memberDao.findByTelephone(telephone);
        if (member != null) {
            //判断是否在重复预约
            Integer memberId = member.getId();//会员ID
            Date order_Date = DateUtils.parseString2Date(orderDate);//预约日期
            Order order = new Order(memberId, order_Date, setmealId);
            //根据条件进行查询
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0) {
                //说明用户在重复预约，无法完成再次预约
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        } else {
            //4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);//自动完成会员注册
        }

        //5、预约成功，更新当日的已预约人数
        Order order = new Order();
        order.setMemberId(member.getId());//设置会员ID
        order.setOrderDate(DateUtils.parseString2Date(orderDate));//预约日期
        order.setOrderType((String) map.get("orderType"));//预约类型
        order.setOrderStatus(Order.ORDERSTATUS_NO);//到诊状态
        order.setSetmealId(setmealId);//套餐ID
        orderDao.add(order);

        orderSetting.setReservations(orderSetting.getReservations() + 1);//设置已预约人数+1
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        //6.member_id(memberId),order_id,orderDate
        Map<String,Object> m = new HashMap<>();
        m.put("member_id",member.getId());
        m.put("order_id",order.getId());
        m.put("orderDate",order.getOrderDate());
        List<Integer> checkGroupIds=checkGroupDao.findBySetmealId(setmealId);
        m.put("setmeal_id",setmealId);
        for (Integer checkGroupId : checkGroupIds) {
            m.put("checkgroup_id",checkGroupId);
            List<Integer> checkItemIds =checkItemDao.findByCheckGroupId(checkGroupId);
            for (Integer checkItemId : checkItemIds) {
                m.put("checkItem_id",checkItemId);
                orderDao.addOrder(m);
            }
        }
        return new Result(true, MessageConstant.ORDER_SUCCESS, order.getId());
    }

    @Override
    public void startOrder(Integer member_id, Integer setmeal_id) {
        //开启预约,修改预约状态
        orderSettingListDao.startOrder(member_id,setmeal_id);
    }

    @Override
    public void cancelOrder(Integer member_id, Integer setmeal_id) {
        orderSettingListDao.cancelOrder(member_id,setmeal_id);
    }
}

